Salehi, Sajjad, and Maryam Ghasdimanghootai. “Term Weighting Vs. Logistic Regression Performance on E-Commerce Data”. International Journal of Engineering & Technology, vol. 7, no. 4.35, Nov. 2018, pp. 234-8, https://doi.org/10.14419/ijet.v7i4.35.22738.